| Value | Category | Cases | |
|---|---|---|---|
| 1 | Form 1 | 439 |
27.3%
|
| 2 | Form 2 | 397 |
24.7%
|
| 3 | Form 3 | 431 |
26.8%
|
| 4 | Form 4 | 340 |
21.2%
|
| 5 | Ungraded or other grade | 0 |
0%
|
| Sysmiss | 35 |